Head over here for a free rig and animation lessons by CG Spectrum! Sign up and get started!

From the site:

The first
six weeks
of course video lessons from our 12 week Introduction to Animation
course. You will learn the basic animation principles that will help
establish a solid foundation for you to build upon while learning
intermediate functions of Autodesk Maya software. These video lessons
are mobile device friendly so you can watch them on your tablet or
mobile phone.